[PATCH] D99675: RFC [llvm][clang] Create new intrinsic llvm.arith.fence to control FP optimization at expression level

[Kevin P. Neal via Phabricator via cfe-commits]

kpn added a comment.

What changes are needed for a backend, and what happens if they aren't done?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D99675/new/

https://reviews.llvm.org/D99675